> Markdown version of [/jobs/ext/3525058-founding-engineer](https://www.wearedevelopers.com/jobs/ext/3525058-founding-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Founding Engineer

- **Company:** Upwork
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Compilers, Distributed Systems, Software Systems, Programming Languages
- **Published:** October 1, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/founding-engineer/49517036

## About the Role

Founding Engineer - Early-Stage Deep Tech Startup Full-time | Onsite in London An early-stage, stealth-mode startup is looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems, automation, and intelligent infrastructure. Founded by leading academics and proven entrepreneurs, the business is backed by top-tier investors and is solving complex technical problems that demand creativity, rigour, and ambition. The Role Build and own core systems and architecture from the ground upWork closely with the founding team on product direction and technical strategyMake key decisions across the full stack - from infrastructure to user-facing elementsContribute to the early engineering culture, processes, and hiring Ideal Background Experience building complex systems in a startup or high-growth tech environmentStrong computer science fundamentals; comfortable working across
multiple layers of the stackDemonstrated ability to operate in fast-moving, ambiguous environmentsBonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer Significant equity in a high-potential startupLondon-based, full-time - onsite collaboration with a world-class founding team #J-18808-Ljbffr